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- White kropkis: If two orthogonal digits are separated by a white dot, they must be consecutive (negative constraint). - Black kropkis: If two orthogonal digits are separated by a black dot, one must be double the other (negative constraint). - Anti-knight: A square must contain a digit different from every other square a chess knight’s move away.
Shotgun Blast
By lgastako
- White kropkis: If two orthogonal digits are separated by a white dot, they must be consecutive (negative constraint). - Black kropkis: If two orthogonal digits are separated by a black dot, one must be double the other (negative constraint). - Anti-knight: A square must contain a digit different from every other square a chess knight’s move away.